Finding the Fourth Proportional to 16,667.51, 22,961.61 and 11,622.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,667.51 : 22,961.61 = 11,622.56 : x
2. Step 2: Convert to fraction form
   16,667.51/22,961.61 = 11,622.56/x
3. Step 3: Cross multiply
   16,667.51x = 22,961.61 × 11,622.56
4. Step 4: Simplify right side
   16,667.51x = 266,872,575.11
5. Step 5: Solve for x
   x = 266,872,575.11/16,667.51
6. Step 6: Final answer
   x = 16,011.55